{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["content container", "else", "message topic", "cause effect"], "input": "birchwood and stockton heath were called to the scene after pyrotechnics used during one of the performances caused a fire on the main stage ."}
{"content container": [], "else": [], "message topic": [], "cause effect": [{"subject": "pyrotechnics", "object": "fire"}]}